div,p,ul,ol,li,dl,dt,dd,form,table,h1,h2,h3,h4,h5,h6,input,select,textarea,span,strong,em,b,i,u,a,img,*{padding:0;margin:0;}
article, aside, details, figcaption, figure, footer, header, hgroup, main, nav, section, summary { display: block; }
body { font-family: "宋体"; font-size: 12px;  color: #000; background-color: #fff; }
ul,ol,li { list-style: none; }
h1,h2,h3,h4,h5,h6{ font-size: 14px;}
img{ border: none;}
img,input,textarea,select,option,output,span,a,b,em,i,strong,u,s,button,label{ vertical-align:middle;}
table{border-collapse:collapse;}
a { background: transparent; text-decoration: none; color: #333; }
a:hover{  color: #f90; }
.clear{ clear:both; height: 0; width: 0; overflow: hidden;}
body,html{ height:100%;width:100%;}
.box{
    width: 1500px;
    height: 700px;
    background-color: aqua;
    margin: 0 auto;
}
.box1{
    width: 100%;
    height: 40px;
    background: #ccc;
    line-height: 37px;
}
.box1 h5{
    margin-left: 150px;
    float: left;
}
.box1 ul{
    float: right;
    margin-right: 20px;
}
.box1 ul li{
    float: left;
    margin-left: 10px;
}
.box2{
    width: 100%;
    height: 260px;
    background-color: antiquewhite;
    position: relative;
}
.box2 img{
    width: 260px;
    height: 260px;
    margin-left: 140px;
}
.box2 input{
    width: 300px;
    height: 40px;
    border: solid 2px red;
    margin-left: 50px;

}
.box2 .but{
    width: 60px;
    height: 40px;
    border: solid 2px red;
    
}
.box2 .but1{
    width: 90px;
    height: 40px;
    border: solid 2px #ccc;
    
}
.box2 .ewm{
    width: 100px;
    height: 100px;
    position: absolute;
    top: 20px;
    right: 30px;
}
.box2 .ul1{
    position: absolute;
    left: 450px;
    top: 160px;
}
.box2 .ul1 li{
    float: left;
    margin-left: 5px;
    font-size: 15px;
}
.box2 .ul2{
    position: absolute;
    bottom: 10px;
    left: 450px;
}
.box2 .ul2 li{
    float: left;
    margin-left: 15px;
    font-size: 18px;
}
.box3{
    width: 100%;
    height: 400px;
    background-color: aquamarine;

}
.box3 .y{
    width: 300px;
    height: 100%;
    background-color: blue;
    margin-left: 100px;
    float: left;
}
.y ul{
    margin-left: 20px ;
    line-height: 22px;
}
.y ul li{
    font-size: 18px;
}
.box3 .e{
    width: 700px;
    height: 100%;
    background-color: blueviolet;
    float: left;
}
.e img{
    width: 700px;
    height: 100%;
}
.box3 .s{
    width: 300px;
    height: 100%;
    float: left;
}
.s img{
    float: left;
    margin-right: 20px;
}
.s h4{
    float: left;
}
.s ul{
    float: left;
}
.s ul li {
    float: left;
}

.s .you{
    width: 100%;
    height: 300px;
}